Controllable detention window

Claim 1

A window assembly for controlling rainwater, light, ventilation and access through the masonry wall of a building, comprising: (a) a rectangular frame having a hollow jamb at each side, a sill and a header parallel to the sill, all defining a central opening. (b) a plurality of fixed horizontal slats arranged in vertically spaced relation within the window opening, each of which is permanently connected to the jambs at its ends, (c) each of the fixed slats comprising a vertical part, a first horizontal part extending inwardly of the window from the upper edge of the vertical part, and a second horizontal part extending outwardly of the window from the lower edge of the vertical part, (d) a weep channel in the base of the jamb positioned to receive rainwater passing over a fixed slat, and a weep hole through the jamb and below the channel to pass rainwater from the channel to the exterior of the jamb, (e) a plurality of movable slats extending horizontally across the central opening of the frame in vertically spaced relation each having a part at each end extending into the adjacent jamb through an elongated vertical opening in the jamb thereby permitting vertical sliding movement within the frame, (f) each of said movable slats being normally positioned in horizontal alignment with a fixed slat and being C-shaped in cross section with a vertical part having approximately the same height as the vertical part of the adjacent fixed slat, and two horizontal flanges extending outwardly of the window from the upper and lower edges of the vertical part, respectively, the lower horizontal flange being positioned above and spaced from the outwardly extending flange of the aligned fixed slat. (g) a single means in each jamb for simultaneously moving the movable slats, comprising a vertical rod within each jamb connected to all of the movable slats, and operating handles connected to the vertical rods and projecting to the exterior of the jambs through elongated vertical opening therein, and (h) a plurality of vertically spaced horizontally tool steel detention bars extending across the window opening with their ends within the jambs, each bar being horizontally aligned with and inside of a fixed slat.